/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.netease.arctic.flink.util.pulsar.runtime.mock;

import io.netty.channel.EventLoopGroup;
import org.apache.bookkeeper.client.BookKeeper;
import org.apache.bookkeeper.client.EnsemblePlacementPolicy;
import org.apache.bookkeeper.common.util.OrderedExecutor;
import org.apache.bookkeeper.stats.StatsLogger;
import org.apache.pulsar.broker.BookKeeperClientFactory;
import org.apache.pulsar.broker.ServiceConfiguration;
import org.apache.pulsar.metadata.api.extended.MetadataStoreExtended;

import java.io.IOException;
import java.util.Map;
import java.util.Optional;

/**
 * A BookKeeperClientFactory implementation which returns a mocked bookkeeper.
 */
public class MockBookKeeperClientFactory implements BookKeeperClientFactory {

  private final OrderedExecutor executor =
      OrderedExecutor.newBuilder().numThreads(1).name("mock-pulsar-bookkeeper").build();

  private final BookKeeper bookKeeper = NonClosableMockBookKeeper.create(executor);

  @Override
  public BookKeeper create(
      ServiceConfiguration conf,
      MetadataStoreExtended store,
      EventLoopGroup eventLoopGroup,
      Optional<Class<? extends EnsemblePlacementPolicy>> ensemblePlacementPolicyClass,
      Map<String, Object> ensemblePlacementPolicyProperties)
      throws IOException {
    return bookKeeper;
  }

  @Override
  public BookKeeper create(
      ServiceConfiguration conf,
      MetadataStoreExtended store,
      EventLoopGroup eventLoopGroup,
      Optional<Class<? extends EnsemblePlacementPolicy>> ensemblePlacementPolicyClass,
      Map<String, Object> ensemblePlacementPolicyProperties,
      StatsLogger statsLogger)
      throws IOException {
    return bookKeeper;
  }

  @Override
  public void close() {
    try {
      bookKeeper.close();
      executor.shutdown();
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }
}
